Home / 13,128,730.07-19,700,033.40-9,315,198.03

Finding the Fourth Proportional to 13,128,730.07, 19,700,033.40 and 9,315,198.03

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Solution

The fourth proportional to 13,128,730.07, 19,700,033.40 and 9,315,198.03 is: 13,977,719.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,128,730.07 : 19,700,033.40 = 9,315,198.03 : x
  2. Step 2: Convert to fraction form
    13,128,730.07/19,700,033.40 = 9,315,198.03/x
  3. Step 3: Cross multiply
    13,128,730.07x = 19,700,033.40 × 9,315,198.03
  4. Step 4: Simplify right side
    13,128,730.07x = 183,509,712,318,614.19
  5. Step 5: Solve for x
    x = 183,509,712,318,614.19/13,128,730.07
  6. Step 6: Final answer
    x = 13,977,719.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.